Fixed .a!= parsing issue #1711

pkg/yqlib/lexer_participle.go

@@ -201,7 +201,7 @@ var participleYqRules = []*participleYqRule{
 	{`whitespace`, `[ \t\n]+`, nil, 0},
 
 	{"WrappedPathElement", `\."[^ "]+"\??`, pathToken(true), 0},
-	{"PathElement", `\.[^ ;\}\{\:\[\],\|\.\[\(\)=\n]+\??`, pathToken(false), 0},
+	{"PathElement", `\.[^ ;\}\{\:\[\],\|\.\[\(\)=\n!]+\??`, pathToken(false), 0},
 	{"Pipe", `\|`, opToken(pipeOpType), 0},
 	{"Self", `\.`, opToken(selfReferenceOpType), 0},
 

pkg/yqlib/lexer_participle_test.go

@@ -14,6 +14,29 @@ type participleLexerScenario struct {
 }
 
 var participleLexerScenarios = []participleLexerScenario{
+	{
+		expression: ".a!=",
+		tokens: []*token{
+			{
+				TokenType: operationToken,
+				Operation: &Operation{
+					OperationType: traversePathOpType,
+					Value:         "a",
+					StringValue:   "a",
+					Preferences:   traversePreferences{},
+				},
+				CheckForPostTraverse: true,
+			},
+			{
+				TokenType: operationToken,
+				Operation: &Operation{
+					OperationType: notEqualsOpType,
+					Value:         "NOT_EQUALS",
+					StringValue:   "!=",
+				},
+			},
+		},
+	},
 	{
 		expression: ".[:3]",
 		tokens: []*token{